More Than Coding
@MoreThanCoding7
Coding tips, tech news, and programming tutorials | Helping devs level up | #MoreThanCoding7.
📊 Data Types in C Basic types: int, float, double, char Modifiers: short, long, signed, unsigned Choose the right type for efficiency! #CProgramming #CLanguage #DataTypes #Coding
🔗 String Handling in C Strings are char arrays ending with '\0' Useful functions: strlen(), strcpy(), strcat(), strcmp() #include <string.h> #CProgramming #CLanguage #Strings #CodingJourney
🔢 Operators in C Arithmetic: +, -, *, /, % Relational: ==, !=, <, >, <=, >= Logical: &&, ||, ! Bitwise: &, |, ^, ~, <<, >> #CProgramming #CLanguage #Operators #CodingJourney
♻️ Recursion in C A function calling itself! int factorial(int n) { if (n <= 1) return 1; return n * factorial(n-1); } Base case is crucial! #CProgramming #CLanguage #Recursion
💡 Preprocessor Directives #include - Include files #define - Define constants/macros #ifdef, #ifndef - Conditional compilation #undef - Undefine Processed before compilation! #CProgramming #CLanguage #Preprocessor
🐞 Debugging Tips in C - Use printf() for output - Check boundary conditions - Initialize variables - Watch for off-by-one errors - Use debugger tools (gdb) Debug smart! #CProgramming #CLanguage #Debugging
🔐 Typecasting in C Converting one data type to another: Implicit: Automatic by compiler Explicit: (type) value Ex: int x = (int) 3.14; Be careful with data loss! #CProgramming #CLanguage #Typecasting
🔥 Pass by Value vs Pass by Reference Pass by Value: Copy of variable Pass by Reference: Address using pointers void func(int *ptr) - modifies original! Understand the difference! #CProgramming #clanguageprogramming
🔠 Enumerations (enum) in C Define named integer constants: enum Color {RED, GREEN, BLUE}; enum Color c = RED; Makes code more readable! #CProgramming #CLanguage #Enum #CodingJourney
📝 typedef in C Create aliases for data types: typedef unsigned long ulong; typedef struct Point Point; Makes code cleaner and more portable! #CProgramming #CLanguage #typedef #CodingJourney
🔍 Command Line Arguments int main(int argc, char *argv[]) argc: argument count argv: argument vector (array) Access program inputs from terminal! #CProgramming #CLanguage #CommandLine
🔧 Static vs Dynamic Memory Static: Fixed size, compile-time int arr[10]; Dynamic: Flexible size, runtime int *arr = malloc(n * sizeof(int)); Choose based on needs! #CProgramming #CLanguage #Memory
🔖 Bitwise Operators in C & (AND), | (OR), ^ (XOR) ~ (NOT), << (left shift), >> (right shift) Useful for: - Flags - Masking - Fast operations #CProgramming #CLanguage #Bitwise
⏱️ Header Files in C Standard: <stdio.h>, <stdlib.h>, <string.h>, <math.h> User-defined: #include "myheader.h" Organize code better! #CProgramming #CLanguage #HeaderFiles
🌐 Scope of Variables Local: Inside function Global: Outside all functions Static: Retains value between calls Scope affects lifetime & visibility! #CProgramming #CLanguage #Variables #Scope
⚙️ Storage Classes in C auto - Default, local extern - Global, external linkage static - Local, persistent register - Stored in CPU register Control variable behavior! #CProgramming #CLanguage #StorageClasses
🔄 Unions in C Like structures but all members share same memory! union Data { int i; float f; char c; }; Saves memory, use carefully! #CProgramming #CLanguage #Unions
🔍 Monitoring & Observability Essentials! 1. Metrics - Track system health 2. Logs - Debug issues 3. Traces - Follow requests 4. Alerts - Notify on anomalies 5. Dashboards - Visualize data Observe everything! #Monitoring #DevOps #Observability #SRE Feel free to share!
💯 Const Keyword in C Make variables read-only: const int MAX = 100; Pointer to const: const int *ptr Const pointer: int *const ptr Prevent accidental changes! #CProgramming #CLanguage #Const
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